Results 81 to 90 of about 1,495 (203)

C and N Isotopic Fractionation Along Permafrost Profiles: A Theoretical Framework and Empirical Tests Across the Arctic

Journal of Geophysical Research: Biogeosciences, Volume 131, Issue 7, July 2026.
Abstract Anticipating the decomposition of permafrost organic matter (OM) following thaw is critical for improving projections of climate‐carbon feedbacks. Stable carbon (C) and nitrogen (N) isotope profiles provide integrated records of the environmental and biogeochemical processes that shaped OM during its accumulation and may therefore improve our ...
Lucas Deschamps, Jennifer Paillassa, Esther Lévesque, Vincent Maire   +3 more
wiley   +1 more source

Evolution of thermokarst lakes and alasses in the ice-rich permafrost of the Lena River Delta [PDF]

, 2012
Thermokarst lakes and basins are ubiquitous landforms in arctic lowlands. Current research has a particular focus on thermokarst processes in ice-rich permafrost deposits in Siberia and the North American Arctic, because these deposits are highly ...
Boike, Julia, Fedorova, Irina, Morgenstern, Anne, Ulrich, Mathias, Günther, Frank, Rudaya, N., Schirrmeister, Lutz   +6 more
core  

Spatio-Temporal Analysis of Gyres in Oriented Lakes on the Arctic Coastal Plain of Northern Alaska Based on Remotely Sensed Images

Remote Sensing, 2014
The formation of oriented thermokarst lakes on the Arctic Coastal Plain of northern Alaska has been the subject of debate for more than half a century.
Shengan Zhan, Richard A. Beck, Kenneth M. Hinkel, Hongxing Liu, Benjamin M. Jones   +4 more
doaj   +1 more source

Refined Modeling of Arctic Circumpolar Building Stock Increases Estimated Mid‐Century Permafrost Degradation Damages

Earth's Future, Volume 14, Issue 7, July 2026.
Abstract Near‐surface permafrost degradation has the potential to damage infrastructure needed to sustain Arctic communities, but risk assessments remain highly uncertain due to a limited representation of the Arctic circumpolar building stock. With deep learning building footprint detection and building occupancy classification models, we expand the ...
E. Manos, D. A. Streletskiy, C. Witharana, E. Haggerty, A. K. Liljedahl   +4 more
wiley   +1 more source

Facies analysis of yedoma thermokarst lakes on the northern Seward Peninsula, Alaska [PDF]

, 2016
Thermokarst lakes develop as a result of the thaw and collapse of ice-rich, permanently frozen ground (permafrost). Of particular sedimentological importance are thermokarst lakes forming in late Pleistocene icy silt (yedoma), which dramatically alter ...
Louise Farquharson, Farquharson, Louise, Katey Walter Anthony, Mary Edwards, Bigelow, Nancy, Edwards, Mary, Nancy Bigelow, Guido Grosse, Anthony, Katey Walter, Grosse, Guido   +9 more
core   +1 more source

Soil drying induces widespread productivity loss but unequal climate vulnerability among ecotypes of a foundational Arctic sedge

Functional Ecology, Volume 40, Issue 7, Page 2301-2317, July 2026.
Read the free Plain Language Summary for this article on the Journal blog. Abstract As temperatures increase in the Arctic, hydrological change may lead to local soil drying through altered snowpack, evapotranspiration and drainage due to permafrost thaw.
Jonathan Gewirtzman, Ned Fetcher
wiley   +1 more source

ASSESSMENT OF THE DYNAMICS OF THERMOKARST LAKES BASED ON THEIR MORPHOLOGICAL AFFILIATION [PDF]

Proceedings of the International conference “InterCarto/InterGIS”, 2017
We have proposed an approach to estimating the areal dynamics of thermokarst lakes. It takes into account the role of the main factors in the development of the lake thermokarst, one of the most common processes in the accumulative plains of Russian permafrost zone.
E. I. Pizhankova, A. V. Gavrilov, T. V. Rodionova, V. A. Spiridonov   +3 more
openaire   +2 more sources

Comparative Study of Methanogenic Pathways in the Sediments of Thermokarst and Polygenetic Yamal Lakes [PDF]

Comparative study of methanogen diversity and potential activity of different methanogenic pathways in the sediments of young thermokarst and mature polygenetic Yamal lakes was carried out.
Ravin N.V., Dvornikov Y.A., Kadnikov V.V., Rusanov I.I., Khomutov A.V., Leibman M.O., Pimenov N.V., Savvichev A.S., Kallistova A.Y.   +8 more
core   +1 more source

Minor contribution of small thaw ponds to the pools of carbon and methane in the inland waters of the permafrost-affected part of the Western Siberian Lowland

Environmental Research Letters, 2018
Despite the potential importance of small (
Y M Polishchuk, A N Bogdanov, I N Muratov, V Y Polishchuk, A Lim, R M Manasypov, L S Shirokova, O S Pokrovsky   +7 more
doaj   +1 more source

Addressing Uncertainties in Climate–Ecosystem Feedbacks in the Arctic: Ten Priority Research Questions for Integrated Observation and Modeling

Ecological Research, Volume 41, Issue 4, July 2026.
Uncertainties exist in the biosphere–climate feedbacks in the Arctic. Remote and ground measurements play complementary roles in detecting possible changes. A critical next step is identification of key drivers of the global changes for future projections. ABSTRACT Positive biosphere–climate feedbacks are likely to amplify the Arctic warming, yet major
Akira S. Mori, Keita Nishizawa, Shota Masumoto, Ülo Niinemets, Vincent Maire, Xinyu Xu, Shu‐Kuan Wong, Kureha F. Suzuki, Joël Bêty, J. Hans C. Cornelissen, Masaki Uchida   +10 more
wiley   +1 more source